Answer
See graphs, $(0,0),(8,4)$
Work Step by Step
1. See graphs for $x=2y$ and $x=y^2-2y$
2. Use the two equations, we have $2y=y^2-2y$ or $y^2-4y=0$, thus $y=0,4$
3. Use the above values with the 1st equations to find the intersect(s) $(0,0),(8,4)$